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src/except.h

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+/* except.h --
+
+   This file is part of the UPX executable compressor.
+
+   Copyright (C) 1996-2000 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2000 Laszlo Molnar
+
+   UPX and the UCL library are free software; you can redistribute them
+   and/or modify them under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2 of
+   the License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; see the file COPYING.
+   If not, write to the Free Software Foundation, Inc.,
+   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+   Markus F.X.J. Oberhumer                   Laszlo Molnar
+   markus.oberhumer@jk.uni-linz.ac.at        ml1050@cdata.tvnet.hu
+ */
+
+
+#ifndef __UPX_EXCEPT_H
+#define __UPX_EXCEPT_H
+
+#ifdef __cplusplus
+
+const char *prettyName(const char *n);
+const char *prettyName(const type_info &ti);
+
+
+/*************************************************************************
+// exceptions
+**************************************************************************/
+
+class Throwable : public exception
+{
+protected:
+    Throwable(const char *m = 0, int e = 0, bool w = false)
+        : msg(m), err(e), is_warning(w) { }
+public:
+    virtual ~Throwable() { }
+    const char *getMsg() const { return msg; }
+    int getErrno() const { return err; }
+    bool isWarning() const { return is_warning; }
+private:
+    //Throwable(const Throwable &);
+private:
+//  void * operator new(size_t);        // ...
+    const char *msg;
+    int err;
+protected:
+    bool is_warning;                    // can be set by subclasses
+};
+
+
+// Exceptions can/should be caught
+class Exception : public Throwable
+{
+    typedef Throwable super;
+public:
+    Exception(const char *m = 0, int e = 0, bool w = false) : super(m,e,w) { }
+};
+
+
+// Errors should not be caught (or re-thrown)
+class Error : public Throwable
+{
+    typedef Throwable super;
+public:
+    Error(const char *m = 0, int e = 0) : super(m,e) { }
+};
+
+
+/*************************************************************************
+// system exception
+**************************************************************************/
+
+class OutOfMemoryException : public Exception
+{
+    typedef Exception super;
+public:
+    OutOfMemoryException(const char *m = 0, int e = 0) : super(m,e) { }
+};
+
+
+class IOException : public Exception
+{
+    typedef Exception super;
+public:
+    IOException(const char *m = 0, int e = 0) : super(m,e) { }
+};
+
+
+class EOFException : public IOException
+{
+    typedef IOException super;
+public:
+    EOFException(const char *m = 0, int e = 0) : super(m,e) { }
+};
+
+
+class FileNotFoundException : public IOException
+{
+    typedef IOException super;
+public:
+    FileNotFoundException(const char *m = 0, int e = 0) : super(m,e) { }
+};
+
+
+class FileAlreadyExistsException : public IOException
+{
+    typedef IOException super;
+public:
+    FileAlreadyExistsException(const char *m = 0, int e = 0) : super(m,e) { }
+};
+
+
+/*************************************************************************
+// application execptions
+**************************************************************************/
+
+class OverlayException : public Exception
+{
+    typedef Exception super;
+public:
+    OverlayException(const char *m = 0, bool w = false) : super(m,0,w) { }
+};
+
+class CantPackException : public Exception
+{
+    typedef Exception super;
+public:
+    CantPackException(const char *m = 0, bool w = false) : super(m,0,w) { }
+};
+
+class UnknownExecutableFormatException : public CantPackException
+{
+    typedef CantPackException super;
+public:
+    UnknownExecutableFormatException(const char *m = 0, bool w = false) : super(m,w) { }
+};
+
+class AlreadyPackedException : public CantPackException
+{
+    typedef CantPackException super;
+public:
+    AlreadyPackedException(const char *m = 0) : super(m) { is_warning = true; }
+};
+
+class NotCompressibleException : public CantPackException
+{
+    typedef CantPackException super;
+public:
+    NotCompressibleException(const char *m = 0) : super(m) { }
+};
+
+
+class CantUnpackException : public Exception
+{
+    typedef Exception super;
+public:
+    CantUnpackException(const char *m = 0, bool w = false) : super(m,0,w) { }
+};
+
+class NotPackedException : public CantUnpackException
+{
+    typedef CantUnpackException super;
+public:
+    NotPackedException(const char *m = 0) : super(m,true) { }
+};
+
+
+/*************************************************************************
+// errors
+**************************************************************************/
+
+class InternalError : public Error
+{
+    typedef Error super;
+public:
+    InternalError(const char *m = 0) : super(m,0) { }
+};
+
+
+/*************************************************************************
+// util
+**************************************************************************/
+
+#if 0 && defined(__GNUC__)
+// (noreturn) is probably not the correct semantics
+#define NORET __attribute__((noreturn))
+#else
+#define NORET
+#endif
+
+void throwCantPack(const char *msg) NORET;
+void throwUnknownExecutableFormat(const char *msg = 0, bool warn = false) NORET;
+void throwNotCompressible(const char *msg = 0) NORET;
+void throwAlreadyPacked(const char *msg = 0) NORET;
+void throwCantUnpack(const char *msg) NORET;
+void throwNotPacked(const char *msg = 0) NORET;
+void throwFilterException() NORET;
+void throwBadLoader() NORET;
+void throwChecksumError() NORET;
+void throwCompressedDataViolation() NORET;
+void throwInternalError(const char *msg) NORET;
+void throwIOException(const char *msg = 0, int e = 0) NORET;
+
+#undef NORET
+
+
+#endif /* __cplusplus */
+
+#endif /* already included */
+
+
+/*
+vi:ts=4:et
+*/
+